Doors can also be opened and closed via Wires. If you put wire on the door's hinge, then wiring will toggle the door's closed/open state upon activation, but if you put wires on the side tiles, where the door opens, then wiring will only close the door.

The Lihzahrd Door occurs naturally at the entrance to the Jungle Temple, and initially requires a Temple Key to open. Once unlocked, it can be freed with a pickaxe, and placed again by the player like any other door. Lihzahrd Doors can also be crafted, but its crafting station can only be obtained after opening the initial door, and the ingredients require the Picksaw (or better) to mine, which is dropped by Golem.

Lihzahrd Door locked graphic.

Apart from the standard doors listed here, there also exist Trap Doors and Tall Gates, which behave similarly. Also every block can be used like a (Switch toggled) door via Actuators.

Doors open to the left or right based on which direction you face, rather than the direction you are coming from. For example, if a player stands to the left of a door and faces left, the door will open toward the player - to the left. If the player doesn't move and then turns to the right and opens the door, it will now open to the right.

Putting a platform or furniture (such as a torch or even a second door) on one side of the door prevents it from being opened in that direction. This is useful to keep houses safe from Zombies during the Blood Moon or most Goblins, as they'll always attempt to open the doors inward, while still allowing NPCs to go in and out as they please.

Doors (except for Obsidian Doors) will break automatically if exposed to lava while open, but will hold back lava like water while closed. However even obsidian doors may break when closed while being submerged in lava.

Digging a 2*2 block deep hole in front of a door will prevent goblins and zombies from attacking it.

Dimensions for doors are 2*3 when open, otherwise they are 1*3.

Doors can fling players a few blocks by grappling to them and opening it while still attached.

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